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structures of the skin (skin (functions (prevents loss of water, regulates…

- - - - tough leathery structure
      - made up of loosly packed cells
    - - bloodless
      - has 4-5 layers
      - made up of tightly packed cells
      - keratin
        
        waterproofing protein
      - basal cells
        
        adjoin the dermis, divide continuously, pushing their offspring towards the surface
      - sebum
        
        oily lipid secreted by the sebaceous gland in the dermis
      - hypo dermis
        
        layer of fat cells and fibers beneath the dermis